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Structural dominance in large and stochastic models

机译:大型和随机模型的结构主导

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The last decade and a half has seen a significant effort to develop and automate methods for identifying structural dominance in system dynamics models. To date, however, the interpretation and testing of these methods has been with small (less than 5 stocks), deterministic models that show smooth behavioral transitions. While the analysis of simple and stable models is an obvious first step to provide proof of concept, the methods have become stable enough to be tested in a wider range of models. In this paper we report the findings from expanding the domain of application these methods in two important dimensions: increasing model size and incorporating stochastic variance in some of the model variables. Exploring the effectiveness of these methods in these two dimensions will increase their applicability into more realistic model analysis situations.
机译:过去十年半看到了一个重要的努力,开发和自动化用于识别系统动力学模型中结构主导的方法。 然而,迄今为止,对这些方法的解释和测试已经小(少于5股),确定性模型,显示了平稳行为过渡。 虽然简单稳定的模型分析是提供概念证明的明显第一步,但该方法已经变得足够稳定,可以在更广泛的模型中进行测试。 在本文中,我们报告了在两个重要方面扩展了应用程序领域的结果:增加模型大小并在一些模型变量中包含随机方差。 探索这些方法在这两个方面的有效性将使其适用性提高到更现实的模型分析情况。

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